navy has been mobilizing to that region in preparation for this and ahead of this. what do we know about our assets there? >> reporter: two divided missile de -- guided missile destroyers will gain the launch. uss benifold and uss fitzgerald are heading there. they both have high-tech missile systems on board. they will watch the rocket and track any parts that fall into the secording to admiral locklear who doubts this launch is for benign purposes. >> there are indications declared indication of intention to do what they would call a peaceful satellite launch. we believe it is still in contradictory to the u.n. security council resolutions that because of the nature of the type of missile that they will be firing and implications it has for ballistic missile type of activity somewhere down the road and destablizing impact that will have on the security environment throughout the region, not just on the peninsula. >> reporter: the state department says it will go along with south korea and japan to the united nations security council to demand tighter sanctions aga